214142813 has 2 divisors, whose sum is σ = 214142814. Its totient is φ = 214142812.

The previous prime is 214142809. The next prime is 214142821. The reversal of 214142813 is 318241412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107599129 + 106543684 = 10373^2 + 10322^2 .

It is a cyclic number.

It is not a de Polignac number, because 214142813 - 2² = 214142809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214142833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107071406 + 107071407.

It is an arithmetic number, because the mean of its divisors is an integer number (107071407).

Almost surely, 2^214142813 is an apocalyptic number.

It is an amenable number.

214142813 is a deficient number, since it is larger than the sum of its proper divisors (1).

214142813 is an equidigital number, since it uses as much as digits as its factorization.

214142813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 214142813 is about 14633.6192720735. The cubic root of 214142813 is about 598.2754302552.

The spelling of 214142813 in words is "two hundred fourteen million, one hundred forty-two thousand, eight hundred thirteen".